of san jose, and i loved that city, so now i helped create a museum there, and a ballet company. to get these -- kind of like my city, you know, help it grow up in the direction of a san francisco culturally. >> from wiz kid to celebrated icon to philanthropist. what is the secret to his success? >> the best thing is don't get attached to things have to turn out a certain way. the world just kind of flows, and whichever way it goes is right. it's just how it went. but really the keys to my happiness came about when i was about 18 to 20 years old, working it out in my hid what kind of person i would be. from then on, i had the keys to happiness, and all of this other stuff didn't matter, apples success, i would be designing need thing no, sir matter what. -- need neat things no matter what. >> before we leave you, we want to show you this interesting contraption, the digital no mad. what is this? >> it's one of the largest bicycles ever made. it was used for -- it's inventer, steve roberts, weren't around the country cycling, 17,000 miles across the country, filing stories for var